the problem is ..... 3-[5-(7+1)]2+3
L lsudancer454 New member Joined Mar 14, 2010 Messages 1 Mar 14, 2010 #1 the problem is ..... 3-[5-(7+1)]2+3
A arthur ohlsten Full Member Joined Feb 20, 2005 Messages 852 Mar 14, 2010 #2 3-[5-(7+1)]2+3 starting inside 7+1=8 3-[5-8]2+3 [5-8]=-3 3-[-3]2+3 3-[-6]+3 3+6+3 12 answer Arthur
D Denis Senior Member Joined Feb 17, 2004 Messages 1,707 Mar 14, 2010 #3 Did your teacher not teach you this?